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Item#: N82E16815158318

StarTech 2S1P PCI Express Serial Parallel Combo Card with Breakout Cable Model PEX2S1P553B

  • PCI Express to Parallel / Serial Port

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  • Overview
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  • Warranty & Returns
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The PEX2S1P553B 2S1P PCI Express Serial Parallel Combo Card with Breakout Cable combines the functionality of Parallel and Serial cards, adding 2 RS232 serial ports and 1 parallel port through a single PCI Express (PCIe) slot.

Suitable for almost any computer, the card offers a low profile/half-height design and includes an optional full-height bracket. The included break-out cable uses a single connector on the card to deliver 3 ports, avoiding crowded connections that can occur with fixed/static ports. Compatible with a broad range of operating systems including DOS, Windows 7/Server 2008 R2/Vista/XP/Server 2003/2000/98SE (32/64 bit), Linux and Mac OS X.

The card also features a native single-chip design that provides improved speed and reliability while reducing the CPU load by as much as 48% over conventional (bridge chip) cards.

This product is a replacement for our PEX2S1P552B card.

  • newegg Break-out cable design Break-out cable design with low and standard profile brackets offers a versatile, single slot solution for adding 3 additional ports (2 serial, 1 parallel) to almost any system, including space-sensitive embedded applications.
  • newegg Improved performance and reliability Native single-chip design reduces CPU load for improved performance and reliability.
  • newegg Wide OS support Broad Operating System support, including 64-bit Windows systems, allows for easy integration into mixed environments.

Learn more about the STARTECH PEX2S1P553B




PCI Express to Parallel / Serial Port
External Ports
1 x DB 25-pin Parallel Female
2 x DB 9-pin Serial Male
Operating Systems Supported
DOS, Windows 95/ 98SE/ 2000/ XP(32/64bit)/ Server 2003(32/64bit)/ Vista(32/64bit)/ 7(32/64bit)/ Server 2008 R2, Linux, and Mac OS 10.4.x and up
Windows XP Embedded/ POS Ready 2009/ Embedded System 2009 OS/ CE 5.0/ CE 6.0
Port Style: Dongle (Included)

Chipset ID: ASIX/MosChip - MCS9901CV-CC

Data Bits: 5, 6, 7, 8

Flow Control: Hardware, Software

Parity: Even, Odd, None, Space, Mark

Microsoft WHQL Certified: Yes

Operating Temperature: 0 degree C to 70 degrees C (32deg;F to 158 degrees F)

Storage Temperature: -40 degrees C to 150 degrees C (-40deg;F to 302 degrees F)

Humidity: 5~85% RH


Low profile/half-height design with optional full profile bracket

Supports Re-map function for legacy ports (Supported OSs only)

Single-chip architecture, no bridge chip

Supports parallel data transfer rates up to 1.5 Mbps

Supports serial data transfer rate up to 250 Kbps (per port)

Compatible with industrial standard 16C450/16C550 UART

Supports (SPP), Enhanced Parallel Port (EPP), Enhanced Capability Port(ECP)

PCI Express Base Specification 1.0a compliant

On-chip 256-byte depth FIFO in transmit/receive path of each port

Single-Lane (x1) PCI-Express host connection

Dimensions & Weight

3.7" x 0.9" x 3.1"
1.8 oz.


Package Contents
PCIe 2S1P Card
Breakout Cable
Full profile bracket
Driver CD
User Manual
Warranty, Returns, And Additional Information
  • Warranty
  • Limited Warranty period (parts): Lifetime
  • Limited Warranty period (labor): Lifetime
  • Read full details

Customer Reviews of the STARTECH PEX2S1P553B

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  • Andrew B.
  • 10/4/2012 7:45:15 PM
  • Tech Level: High
  • Ownership: more than 1 year
  • Verified Owner

5 out of 5 eggsworks perfectly

Pros: been ordering these cards for customers... primarily car dealerships that still have old dot matrix printers... and they worked perfectly. No issues at all.

Cons: NONE

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Volume Discounts
  • 2-5 $34.49 ea.
  • 6-10 $33.99 ea.
  • 11+ $33.49 ea.

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Item#: N82E16815158318
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